82 lines
2.5 KiB
Diff
82 lines
2.5 KiB
Diff
From ccc3beeb9920ba2a1087ae828b9c1de1fc5fb135 Mon Sep 17 00:00:00 2001
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From: Javier Martinez Canillas <javierm@redhat.com>
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Date: Wed, 2 May 2018 12:26:49 +0200
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Subject: [PATCH] zipl: Return number of allocated tokens in scan_file()
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The function returns 0 on success and a negative number on error but is
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useful to know how many tokens were allocated. This will be used by the
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BLS parsing code to determine if needs to allocate mor tokens or not to
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parse the BLS fragments.
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Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
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---
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zipl/src/job.c | 8 ++++----
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zipl/src/scan.c | 16 +++++++++-------
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2 files changed, 13 insertions(+), 11 deletions(-)
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diff --git a/zipl/src/job.c b/zipl/src/job.c
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index b06a4824333..9d5f00b6bdc 100644
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--- a/zipl/src/job.c
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+++ b/zipl/src/job.c
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@@ -1732,7 +1732,7 @@ get_job_from_config_file(struct command_line* cmdline, struct job_data* job)
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struct scan_token* new_scan;
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char* filename;
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char* source;
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- int rc;
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+ int rc, scan_size;
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/* Read configuration file */
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if (cmdline->config != NULL) {
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@@ -1750,10 +1750,10 @@ get_job_from_config_file(struct command_line* cmdline, struct job_data* job)
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source = "";
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}
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printf("Using config file '%s'%s\n", filename, source);
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- rc = scan_file(filename, &scan);
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- if (rc) {
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+ scan_size = scan_file(filename, &scan);
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+ if (scan_size <= 0) {
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error_text("Config file '%s'", filename);
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- return rc;
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+ return scan_size;
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}
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if ((cmdline->menu == NULL) && (cmdline->section == NULL)) {
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rc = scan_check_defaultboot(scan);
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diff --git a/zipl/src/scan.c b/zipl/src/scan.c
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index 7465d6ccb6c..adb288e0626 100644
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--- a/zipl/src/scan.c
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+++ b/zipl/src/scan.c
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@@ -538,9 +538,9 @@ scan_free(struct scan_token* array)
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#define INITIAL_ARRAY_LENGTH 40
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-/* Scan file FILENAME for tokens. Upon success, return zero and set TOKEN
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- * to point to a NULL-terminated array of scan_tokens, i.e. the token id
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- * of the last token is 0. Return non-zero otherwise. */
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+/* Scan file FILENAME for tokens. Upon success, return the number allocated
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+ * tokens and set TOKEN to point to a NULL-terminated array of scan_tokens,
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+ * i.e. the token id of the last token is 0. Return non-zero otherwise. */
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int
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scan_file(const char* filename, struct scan_token** token)
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{
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@@ -623,11 +623,13 @@ scan_file(const char* filename, struct scan_token** token)
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}
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}
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misc_free_file_buffer(&file);
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- if (rc)
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+ if (rc) {
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scan_free(array);
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- else
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- *token = array;
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- return rc;
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+ return rc;
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+ }
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+
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+ *token = array;
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+ return size;
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}
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--
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2.17.0
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