f37a291c52
Enable -Wextra. This found a few real bugs plus a number of signed/unsigned type mismatches/uncleanlinesses. It also required a few annotations All things considered it was still worth it so lets try with this enabled for now. Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
78 lines
1.4 KiB
C
78 lines
1.4 KiB
C
#include "cache.h"
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static const char *alias_key;
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static char *alias_val;
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static int alias_lookup_cb(const char *k, const char *v, void *cb __used)
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{
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if (!prefixcmp(k, "alias.") && !strcmp(k+6, alias_key)) {
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if (!v)
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return config_error_nonbool(k);
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alias_val = strdup(v);
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return 0;
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}
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return 0;
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}
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char *alias_lookup(const char *alias)
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{
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alias_key = alias;
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alias_val = NULL;
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perf_config(alias_lookup_cb, NULL);
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return alias_val;
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}
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int split_cmdline(char *cmdline, const char ***argv)
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{
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int src, dst, count = 0, size = 16;
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char quoted = 0;
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*argv = malloc(sizeof(char*) * size);
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/* split alias_string */
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(*argv)[count++] = cmdline;
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for (src = dst = 0; cmdline[src];) {
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char c = cmdline[src];
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if (!quoted && isspace(c)) {
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cmdline[dst++] = 0;
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while (cmdline[++src]
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&& isspace(cmdline[src]))
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; /* skip */
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if (count >= size) {
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size += 16;
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*argv = realloc(*argv, sizeof(char*) * size);
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}
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(*argv)[count++] = cmdline + dst;
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} else if (!quoted && (c == '\'' || c == '"')) {
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quoted = c;
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src++;
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} else if (c == quoted) {
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quoted = 0;
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src++;
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} else {
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if (c == '\\' && quoted != '\'') {
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src++;
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c = cmdline[src];
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if (!c) {
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free(*argv);
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*argv = NULL;
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return error("cmdline ends with \\");
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}
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}
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cmdline[dst++] = c;
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src++;
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}
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}
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cmdline[dst] = 0;
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if (quoted) {
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free(*argv);
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*argv = NULL;
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return error("unclosed quote");
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}
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return count;
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}
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