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authorVincent Legoll <vincent.legoll@gmail.com>2009-10-13 10:18:16 +0200
committerIngo Molnar <mingo@elte.hu>2009-10-13 11:55:31 +0200
commitcfed95a693e1ea5d08b9c9019bc30e448437ee2f (patch)
tree1334775a5b22a0b430e7616d2020bec4593565df /tools/perf/perf.c
parent9dbdd6c41c12fb42ee7188eafa7e1917b192af3a (diff)
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perf tools: Do not manually count string lengths
Use strlen & macros instead of manually counting string lengths as this is error prone and may lend to bugs. Signed-off-by: Vincent Legoll <vincent.legoll@gmail.com> Cc: Linus Torvalds <torvalds@osdl.org> LKML-Reference: <4727185d0910130118m5387058dndb02ac9b384af9f0@mail.gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/perf.c')
-rw-r--r--tools/perf/perf.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/tools/perf/perf.c b/tools/perf/perf.c
index 19fc7feb9d5..624e62d9d1e 100644
--- a/tools/perf/perf.c
+++ b/tools/perf/perf.c
@@ -89,8 +89,8 @@ static int handle_options(const char*** argv, int* argc, int* envchanged)
/*
* Check remaining flags.
*/
- if (!prefixcmp(cmd, "--exec-path")) {
- cmd += 11;
+ if (!prefixcmp(cmd, CMD_EXEC_PATH)) {
+ cmd += strlen(CMD_EXEC_PATH);
if (*cmd == '=')
perf_set_argv_exec_path(cmd + 1);
else {
@@ -117,8 +117,8 @@ static int handle_options(const char*** argv, int* argc, int* envchanged)
(*argv)++;
(*argc)--;
handled++;
- } else if (!prefixcmp(cmd, "--perf-dir=")) {
- setenv(PERF_DIR_ENVIRONMENT, cmd + 10, 1);
+ } else if (!prefixcmp(cmd, CMD_PERF_DIR)) {
+ setenv(PERF_DIR_ENVIRONMENT, cmd + strlen(CMD_PERF_DIR), 1);
if (envchanged)
*envchanged = 1;
} else if (!strcmp(cmd, "--work-tree")) {
@@ -131,8 +131,8 @@ static int handle_options(const char*** argv, int* argc, int* envchanged)
*envchanged = 1;
(*argv)++;
(*argc)--;
- } else if (!prefixcmp(cmd, "--work-tree=")) {
- setenv(PERF_WORK_TREE_ENVIRONMENT, cmd + 12, 1);
+ } else if (!prefixcmp(cmd, CMD_WORK_TREE)) {
+ setenv(PERF_WORK_TREE_ENVIRONMENT, cmd + strlen(CMD_WORK_TREE), 1);
if (envchanged)
*envchanged = 1;
} else if (!strcmp(cmd, "--debugfs-dir")) {
@@ -146,8 +146,8 @@ static int handle_options(const char*** argv, int* argc, int* envchanged)
*envchanged = 1;
(*argv)++;
(*argc)--;
- } else if (!prefixcmp(cmd, "--debugfs-dir=")) {
- strncpy(debugfs_mntpt, cmd + 14, MAXPATHLEN);
+ } else if (!prefixcmp(cmd, CMD_DEBUGFS_DIR)) {
+ strncpy(debugfs_mntpt, cmd + strlen(CMD_DEBUGFS_DIR), MAXPATHLEN);
debugfs_mntpt[MAXPATHLEN - 1] = '\0';
if (envchanged)
*envchanged = 1;