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authorDaniel Friesel <derf@finalrewind.org>2014-05-04 18:30:39 +0200
committerDaniel Friesel <derf@finalrewind.org>2014-05-04 18:30:39 +0200
commitc7d0afa8cde1d351cedc09c111b0f872fbcae15e (patch)
tree5f6ba9fbbae5aca88cf5b35905c77e6a1b91c746 /src/gib_utils.c
parent48804d10fe82c3b5d871187858312aa2bcbed510 (diff)
import partial giblib source into feh, do not link with giblib
Diffstat (limited to 'src/gib_utils.c')
-rw-r--r--src/gib_utils.c121
1 files changed, 121 insertions, 0 deletions
diff --git a/src/gib_utils.c b/src/gib_utils.c
new file mode 100644
index 0000000..e851b0d
--- /dev/null
+++ b/src/gib_utils.c
@@ -0,0 +1,121 @@
+/* gib_utils.c
+
+Copyright (C) 1999,2000 Tom Gilbert.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies of the Software and its documentation and acknowledgment shall be
+given in the documentation and software packages that this Software was
+used.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+*/
+
+#include "gib_utils.h"
+
+/* eprintf: print error message and exit */
+void
+gib_eprintf(char *fmt, ...)
+{
+ va_list args;
+
+ fflush(stdout);
+ fprintf(stderr, "giblib error: ");
+
+ va_start(args, fmt);
+ vfprintf(stderr, fmt, args);
+ va_end(args);
+
+ if (fmt[0] != '\0' && fmt[strlen(fmt) - 1] == ':')
+ fprintf(stderr, "%s", strerror(errno));
+ fprintf(stderr, "\n");
+ exit(2);
+}
+
+/* weprintf: print warning message and continue */
+void
+gib_weprintf(char *fmt, ...)
+{
+ va_list args;
+
+ fflush(stdout);
+ fprintf(stderr, "giblib warning: ");
+
+ va_start(args, fmt);
+ vfprintf(stderr, fmt, args);
+ va_end(args);
+
+ if (fmt[0] != '\0' && fmt[strlen(fmt) - 1] == ':')
+ fprintf(stderr, "%s", strerror(errno));
+ fprintf(stderr, "\n");
+}
+
+/* estrdup: duplicate a string, report if error */
+char *
+_strdup(char *s)
+{
+ char *t;
+ if(!s)
+ return NULL;
+ t = (char *) malloc(strlen(s) + 1);
+ if (t == NULL)
+ gib_eprintf("estrdup(\"%.20s\") failed:", s);
+ strcpy(t, s);
+ return t;
+}
+
+/* emalloc: malloc and report if error */
+void *
+_malloc(size_t n)
+{
+ void *p;
+
+ p = malloc(n);
+ if (p == NULL)
+ gib_eprintf("malloc of %u bytes failed:", n);
+ return p;
+}
+
+/* erealloc: realloc and report if error */
+void *
+_realloc(void *ptr, size_t n)
+{
+ void *p;
+
+ p = realloc(ptr, n);
+ if (p == NULL)
+ gib_eprintf("realloc of %p by %u bytes failed:", ptr, n);
+ return p;
+}
+
+/* efree: just do the free for now */
+void
+_free(void *p)
+{
+ free(p);
+}
+
+char *
+gib_stroflen(char c, int l)
+{
+ static char buf[1024];
+ int i = 0;
+
+ buf[0] = '\0';
+ while (l--)
+ buf[i++] = c;
+ buf[i] = '\0';
+ return buf;
+}