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* src/utils.c: Add a status_ask_choice() functionBaptiste Jonglez2012-05-142-0/+43
| | | | | | | | | | | | | | | | | This function allows the user to choose between various alternatives, each one being associated to a given key. This will allow a great deal of factorisation, which will make it easier to handle special events (like resizing, user escape...) in an uniform manner. The cool part of the approach taken here is that it allows full i18n (i.e. the key bound to an alternative can be different depending on the language), at the expense of a somewhat less readable code on the caller side. Signed-off-by: Baptiste Jonglez <baptiste--git@jonglez.org> Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Declare several parameters/variables constantLukas Fleischer2012-05-0817-122/+125
| | | | | | | | | | | | Add the "const" keyword to parameters and variables that are never modified. Most of these were spotted by "-Wwrite-strings". We cast the second parameter to execvp() explicitly as it expects a "char *const[]" where it should expect a "const char *const[]" (according to the documentation, this is due to compatibility reasons). This should be changed once we come up with a better solution. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* src/args.c: Add "void" in some function declarationsLukas Fleischer2012-05-081-4/+4
| | | | | | | | | These functions don't take any parameters, "void" is the right parameter signature to use here. Fixes some warnings seen with "-Wstrict-prototypes". Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* src/args.c: Add a mention of "--read-only" in "calcurse --help"Baptiste Jonglez2012-05-021-1/+4
| | | | | Signed-off-by: Baptiste Jonglez <baptiste--git@jonglez.org> Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Various code cleanupBaptiste Jonglez2012-05-021-11/+3
| | | | | | | | Remove obsolete bits of code that weren't thrown away by b5c1981; simplify some others areas of the code. Signed-off-by: Baptiste Jonglez <baptiste--git@jonglez.org> Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* src/utils.c: Get rid of "semantic range checks" when parsing durationBaptiste Jonglez2012-05-021-13/+0
| | | | | | | | | | Don't restrict ranges when entering durations. We now accept duration like "+1d42h600m". This might not seem very logical, but it's perfectly valid, and being able to enter "+36h" is useful when you don't want to do the maths yourself. Signed-off-by: Baptiste Jonglez <baptiste--git@jonglez.org> Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* src/apoint.c: Change the status message displayed when editing a durationBaptiste Jonglez2012-05-021-1/+1
| | | | | | | | | The duration format has recently changed to allow durations of the form "2d18h42m", but the status message didn't advertize this new possibility. Signed-off-by: Baptiste Jonglez <baptiste--git@jonglez.org> Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* src/htable.h: Add missing prototypesLukas Fleischer2012-04-211-1/+5
| | | | | | | | | | We only generated prototypes for a small subset of all supported functions in the HTABLE_PROTOTYPE macro. Add missing prototypes to allow for accessing corresponding functions if HTABLE_GENERATE is used in a separate compilation unit. This also fixes a couple of compiler warnings seen with "-Wmissing-prototypes". Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Add prototypes for hash table functionsLukas Fleischer2012-04-212-0/+2
| | | | | | These can be generated dynamically using the HTABLE_PROTOTYPE macro. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* src/mem.c: Skip dbg_*() if memory stats are disabledLukas Fleischer2012-04-211-45/+48
| | | | | | | | These functions only need to be compiled if calcurse is built with "--enable-memory-debug". Tell the preprocessor to strip them if memory debugging/stats are disabled. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Mark several functions staticLukas Fleischer2012-04-205-5/+5
| | | | | | | These are not needed outside of the corresponding compilation units. Spotted with "-Wmissing-prototypes". Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Merge "%(start"{,str}")" and "%(end"{,str}")"Lukas Fleischer2012-04-171-21/+13
| | | | | | | | | | | | | Add "default" and "epoch" extended formats for dates. "default" is the same as "%H:%M", "epoch" prints the number of seconds since January 1, 1970. Also, change the semantics of "%(start)" to return dates in default format (same format that "%(startstr)" used to use before this patch). The old "%(start)" behavior can be emulated by using "%(start:epoch)". The same applies to "%(end)" and "%(endstr)". Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Support extended date formatsLukas Fleischer2012-04-171-2/+19
| | | | | | | Add support for appending a strftime()-style format string to "%(start)" and "%(end)". Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Allow passing extended formatsLukas Fleischer2012-04-171-5/+24
| | | | | | | | | Extended formats can be specified by adding custom format strings to the end of a long format specifier, separated by a colon (":"). This feature is currently unused. Extended format support for several format specifiers will be added in following patches. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Add support for long format specifiersLukas Fleischer2012-04-171-5/+43
| | | | | | | | | | | | | | | | Adds following long format specifiers for each short format specifier: * s: (start) * S: (startstr) * d: (duration) * e: (end) * E: (endstr) * m: (message) * n: (noteid) * N: (note) * p: (priority) Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* src/utils.c: Break out format specifier parsingLukas Fleischer2012-04-171-24/+72
| | | | | | | Move the format specifier parser to a separate function. This is done in preparation for supporting long format specifiers. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* src/calcurse.c: Start all helper threads in one goLukas Fleischer2012-04-121-2/+4
| | | | | | | | Makes our initialization code a tad cleaner and seems to reduce flicker when starting calcurse (the notification bar is no longer drawn before other windows are shown). Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Refactor startup screen branchLukas Fleischer2012-04-123-17/+14
| | | | | | | Removes the pointless first parameter to io_startup_screen() and saves one wins_update() call if system dialogs are disabled. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Use percentage-based width for the sidebarLukas Fleischer2012-04-121-23/+14
| | | | | | | | | | Use percentage-based widths internally. This slightly impairs (user) feedback but brings the sidebar configuration menu closer to the actual configuration format (the user now configures percentage-based widths, not absolute width values). As a bonus, the sidebar is now resized automatically on each window resize (based on the percentage values). Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* src/mem.c: Fix putchar() parameterLukas Fleischer2012-04-061-1/+1
| | | | | | putchar() expects a single character, not a string. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Miscellaneous small code cleanupsLukas Fleischer2012-04-068-29/+24
| | | | Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* src/keys.c: Use generic list implementationLukas Fleischer2012-04-051-77/+36
| | | | | | | | Be consistent and replace the custom linked list implementation we used here by the generic list implementation we use everywhere else. This reduces code complexity, while slightly improving memory overhead. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Mark some more variables/parameters constantLukas Fleischer2012-04-054-7/+7
| | | | | | Fixes a couple of warnings seen with GCC 4.7. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Mark localized string literals constantLukas Fleischer2012-04-0512-89/+89
| | | | | | | Translated strings returned by gettext() are statically allocated and shouldn't be modified. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Do not use LLIST_*_CONT for appointmentsLukas Fleischer2012-03-301-2/+9
| | | | | | | | | | | | | | | | | | This no longer works since we allow appointments lasting longer than 24 hours. This means that there might be an appointment that starts after another one and lasts until the selected day, even though the former doesn't. A simple example, where the old LLIST_TS_FOREACH_CONT approach fails, is: 03/29/2012 @ 19:00 -> 03/30/2012 @ 10:00 |Long event 03/29/2012 @ 21:00 -> 03/29/2012 @ 23:15 |Event 1 (shown) 03/30/2012 @ 14:00 -> 03/30/2012 @ 15:00 |Event 2 (not shown) Instead, allow incoherent appointments and only break if the current appointment *starts after* the selected day. Reported-by: Baptiste Jonglez <baptiste@jonglez.org> Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Revert a bunch of strncmp() conversionsLukas Fleischer2012-03-302-23/+23
| | | | | | | | | | | All strncmp() usages were replaced by (evidently) equivalent strcmp() invocations in commit 2c9499bf272e06a62902711c6c20621ef3f80e64. However, some of the strncmp() calls were perfectly justified and we actually broke iCal import and "C-"-style key bindings by converting them to strcmp(). Fix this by reverting all affected conversions. Reported-by: Baptiste Jonglez <baptiste@jonglez.org> Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Fix semantics of "general."{systemdialogs,progressbar}Lukas Fleischer2012-03-297-23/+23
| | | | | | | | | These were renamed from "skip_"* to *. However, we only changed syntax and didn't invert their semantic meaning. Fix this by negating the semantics of those variables. Also, negate these in the configuration file automatically when running `calcurse-upgrade`. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* src/config.c: Detect legacy configuration filesLukas Fleischer2012-03-291-0/+27
| | | | | | | | | Check configuration variable names against a list of pre-3.0.0 configuration keys and display a warning if such a variable is found. This reduces the chance of users going wild due to the non-backwards compatible configuration file changes. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* src/config.c: Reorder configuration variablesLukas Fleischer2012-03-291-15/+15
| | | | | | | Sort configuration variables lexicographically. This makes changes easier to locate. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* src/config.c: Rename configuration variablesLukas Fleischer2012-03-271-22/+22
| | | | | | | | | | Classify configuration options into different sections. Use consistent names and formatting. This was discussed on the mailing lists. A script that updates configuration files will come in following patches. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Update copyright rangesLukas Fleischer2012-03-2632-34/+34
| | | | | | Add 2012 to the copyright range for all source and documentation files. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Do not strncpy() strings returned by gettext()Lukas Fleischer2012-03-126-26/+20
| | | | | | | | Translated strings returned by gettext() are statically allocated. There's no need to copy them to a buffer, we can use the pointers returned by gettext() instead. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Get rid of string structuresLukas Fleischer2012-03-123-77/+71
| | | | | | | | These were only used to construct constant strings with additional length fields. However, we can just use standard constant character arrays instead and let the compiler calculate the string length. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Use strcmp() instead of strncmp()Lukas Fleischer2012-03-125-36/+36
| | | | | | | | | strncmp() isn't intended to be a secure strcmp() replacement, it is designed to be used if you want to compare the first n characters of two strings. Since we always compare character pointers with string literals, switch to using strcmp() everywhere. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Avoid redundant window resets in config menuLukas Fleischer2012-03-121-1/+4
| | | | | | | There's no need to reset windows unless the layout was changed. Move wins_reset() to a separate branch to reflect this. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Avoid redundant virtual screen updatesLukas Fleischer2012-03-122-3/+0
| | | | | | | | | | Remove some redundant wnoutrefresh() invocations. There's no need to copy a window to the virtual screen unless doupdate() is invoked immediately afterwards. This reduces flicker when browsing in the calendar panel. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Break out configuration main menuLukas Fleischer2012-03-023-49/+58
| | | | | | | This was the only big block of code left in our main loop. Move it to a separate function, making the main loop a bit clearer. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Revamp key bindings displayLukas Fleischer2012-03-024-69/+96
| | | | | | | | | | | | | Refactor the logic inside keys_display_bindings_bar() and remove the need to place the "show next page" key binding at the right positions. This used to be a pain to maintain, since we always had to move key bindings around when introducing a new key. Fix this by passing the actual key bindings in an array and using a separate parameter for the "show next page" key binding (which is automatically inserted at the right places from now on). Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Add a read-only optionLukas Fleischer2012-02-245-18/+38
| | | | | | | We don't save any configuration nor items if this is set. This should be used with care, and hence there's no short option for this. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* src/io.c: Remove C89 incompatible commentLukas Fleischer2012-02-201-1/+1
| | | | | | | Make commenting style consistent with everywhere else. Use "/* [...] */" instead of "// [...]". Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* {src,test}/Makefile.am: Enable pedantic warningsLukas Fleischer2012-02-191-0/+2
| | | | | | | | Now that we're fully POSIX compliant and fixed up some minor issues with ISO C99, use "-std=c99 -pedantic -D_POSIX_C_SOURCE=200809L" as default build flags for calcurse and the test suite. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Fix up fscanf() format stringsLukas Fleischer2012-02-192-4/+4
| | | | | | | All members of the tm structure are signed integers. Stick to using the correct fscanf() format specifiers for these. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Fix hash table issues with ISO C99Lukas Fleischer2012-02-193-13/+18
| | | | | | | | | | ISO C99 forbids unnamed structs/unions and nested functions. Move the "HTABLE_HEAD" and "HTABLE_GENERATE" parts out of the function body and place them at the very top of the file (where function definitions are allowed). Also, remove the unnamed struct from "htable.h" (which was useless anyway). Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Fix POSIX complianceLukas Fleischer2012-02-192-0/+6
| | | | | | | | | | | * "WAIT_MYPGRP" isn't POSIX'ish. Relying on this caused compilation issues in certain environments (e.g. under Cygwin). As a workaround, define "WAIT_MYPGRP" explicitly if it's undefined. * "P_tmpdir" is an XSI extension. Don't try use it if it isn't available. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Remove all usages of bzero() and bcopy()Lukas Fleischer2012-02-195-13/+13
| | | | | | | | | The bzero() and bcopy() functions are deprecated and were removed from the POSIX standard in IEEE Std. 1003.1-2008. Remove all usages of bzero()/bcopy() and replace them by appropriate memset()/memmove() calls. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Fix up strncat() usageLukas Fleischer2012-02-184-8/+7
| | | | | | | | | | | | | | | The last argument to strncat() should not be the total buffer length; it should be the space remaining: The strncat() function shall append not more than n bytes (a null byte and bytes that follow it are not appended) from the array pointed to by s2 to the end of the string pointed to by s1. The initial byte of s2 overwrites the null byte at the end of s1. A terminating null byte is always appended to the result. This patch fixes a couple of potential buffer overflow vulnerabilities. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* src/io.c: Use fork_exec() instead of system()Lukas Fleischer2012-02-181-3/+4
| | | | | | | Speeds up execution, prevents failures when pager or log file contains spaces, fixes a warning seen with "-Wunused-result". Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Don't chomp on error in ical_readline_init()Lukas Fleischer2012-02-181-4/+6
| | | | | | | Skip the newline check if fgets() returns a NULL string. Fixes another warning seen with "-Wunused-result". Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Add stricter syntax checking to io_load_*()Lukas Fleischer2012-02-181-33/+41
| | | | | | | | | | Be more restrictive with what we allow in data files and bail out if a line doesn't conform to our specification, especially in regard to separators. This prevents unexpected behavior when a data file is edited manually. As a bonus, this fixes a whole pile of compiler warnings previously seen with "-Wunused-result". Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Trap fgets() failure in *_scan()Lukas Fleischer2012-02-183-4/+12
| | | | | | | | Ensure we don't read arbitrary data when fgets() returns a NULL string (meaning that either the EOF is encountered or an error occurred). This also fixes a couple of compiler warnings seen with "-Wunused-result". Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
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