118 lines
2.9 KiB
C
118 lines
2.9 KiB
C
/* copyright 2013 Sascha Kruse and contributors (see LICENSE for licensing information) */
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#define _GNU_SOURCE
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#include <string.h>
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#include <ctype.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <glib.h>
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#include "utils.h"
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#include "dunst.h"
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char *string_replace_char(char needle, char replacement, char *haystack) {
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char *current = haystack;
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while ((current = strchr (current, needle)) != NULL)
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*current++ = replacement;
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return haystack;
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}
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char *string_replace_at(char *buf, int pos, int len, const char *repl)
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{
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char *tmp;
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int size, buf_len, repl_len;
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buf_len = strlen(buf);
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repl_len = strlen(repl);
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size = (buf_len - len) + repl_len + 1;
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if (repl_len <= len) {
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tmp = buf;
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} else {
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tmp = malloc(size);
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}
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memcpy(tmp, buf, pos);
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memcpy(tmp + pos, repl, repl_len);
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memmove(tmp + pos + repl_len, buf + pos + len, buf_len - (pos + len) + 1);
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if(tmp != buf) {
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free(buf);
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}
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return tmp;
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}
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char *string_replace(const char *needle, const char *replacement, char *haystack)
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{
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char *start;
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start = strstr(haystack, needle);
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if (start == NULL) {
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return haystack;
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}
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return string_replace_at(haystack, (start - haystack), strlen(needle), replacement);
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}
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char *string_replace_all(const char *needle, const char *replacement,
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char *haystack)
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{
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char *start;
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int needle_pos;
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int needle_len, repl_len;
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needle_len = strlen(needle);
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if (needle_len == 0) {
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return haystack;
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}
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start = strstr(haystack, needle);
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repl_len = strlen(replacement);
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while (start != NULL) {
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needle_pos = start - haystack;
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haystack = string_replace_at(haystack, needle_pos, needle_len, replacement);
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start = strstr(haystack + needle_pos + repl_len, needle);
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}
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return haystack;
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}
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char *string_append(char *a, const char *b, const char *sep)
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{
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if (!a)
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return g_strdup(b);
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char *new;
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if (!sep)
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new = g_strconcat(a, b, NULL);
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else
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new = g_strconcat(a, sep, b, NULL);
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free(a);
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return new;
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}
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void string_strip_delimited(char *str, char a, char b)
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{
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int iread=-1, iwrite=0, copen=0;
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while (str[++iread] != 0) {
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if (str[iread] == a) {
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++copen;
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} else if (str[iread] == b && copen > 0) {
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--copen;
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} else if (copen == 0) {
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str[iwrite++] = str[iread];
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}
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}
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str[iwrite] = 0;
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}
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void die(char *text, int exit_value)
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{
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fputs(text, stderr);
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exit(exit_value);
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}
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/* vim: set tabstop=8 shiftwidth=8 expandtab textwidth=0: */
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