diff options
| -rw-r--r-- | src/Makefile.am | 1 | ||||
| -rw-r--r-- | src/calcurse.h | 16 | ||||
| -rw-r--r-- | src/strings.c | 112 |
3 files changed, 129 insertions, 0 deletions
diff --git a/src/Makefile.am b/src/Makefile.am index 823f7c9..df6a1ae 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -32,6 +32,7 @@ calcurse_SOURCES = \ recur.c \ sha1.c \ sigs.c \ + strings.c \ todo.c \ ui-calendar.c \ ui-day.c \ diff --git a/src/calcurse.h b/src/calcurse.h index 1ab5363..aeeec4c 100644 --- a/src/calcurse.h +++ b/src/calcurse.h @@ -601,6 +601,13 @@ struct nbar { pthread_mutex_t mutex; }; +/* Dynamic strings. */ +struct string { + char *buf; + int bufsize; + int len; +}; + /* Return codes for the getstring() function. */ enum getstr { GETSTRING_VALID, @@ -982,6 +989,15 @@ unsigned sigs_set_hdlr(int, void (*)(int)); void sigs_ignore(void); void sigs_unignore(void); +/* strings.c */ +void string_init(struct string *); +void string_reset(struct string *); +int string_grow(struct string *, int); +char *string_buf(struct string *); +int string_catf(struct string *, const char *, ...); +int string_vcatf(struct string *, const char *, va_list); +int string_printf(struct string *, const char *, ...); + /* todo.c */ extern llist_t todolist; struct todo *todo_get_item(int); diff --git a/src/strings.c b/src/strings.c new file mode 100644 index 0000000..bc85161 --- /dev/null +++ b/src/strings.c @@ -0,0 +1,112 @@ +/* + * Calcurse - text-based organizer + * + * Copyright (c) 2004-2016 calcurse Development Team <misc@calcurse.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the + * following disclaimer in the documentation and/or other + * materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Send your feedback or comments to : misc@calcurse.org + * Calcurse home page : http://calcurse.org + * + */ + +#include "calcurse.h" + +#define STRING_INITIAL_BUFSIZE 128 + +void string_init(struct string *sb) +{ + sb->buf = mem_malloc(STRING_INITIAL_BUFSIZE); + sb->bufsize = STRING_INITIAL_BUFSIZE; + sb->len = 0; +} + +void string_reset(struct string *sb) +{ + if (sb->buf) + mem_free(sb->buf); + string_init(sb); +} + +int string_grow(struct string *sb, int minsize) +{ + if (sb->bufsize >= minsize) + return 0; + + while (sb->bufsize < minsize) + sb->bufsize *= 2; + + sb->buf = mem_realloc(sb->buf, 1, sb->bufsize); + return 1; +} + +char *string_buf(struct string *sb) +{ + return sb->buf; +} + +int string_vcatf(struct string *sb, const char *format, va_list ap) +{ + va_list ap2; + int n; + + va_copy(ap2, ap); + + n = vsnprintf(sb->buf + sb->len, sb->bufsize - sb->len, format, ap); + if (string_grow(sb, sb->len + n + 1)) { + n = vsnprintf(sb->buf + sb->len, sb->bufsize - sb->len, format, + ap2); + } + sb->len += n; + + return n; +} + +int string_catf(struct string *sb, const char *format, ...) +{ + va_list ap; + int n; + + va_start(ap, format); + n = string_vcatf(sb, format, ap); + va_end(ap); + + return n; +} + +int string_printf(struct string *sb, const char *format, ...) +{ + va_list ap; + int n; + + va_start(ap, format); + string_reset(sb); + n = string_vcatf(sb, format, ap); + va_end(ap); + + return n; +} |