[flashrom] [PATCH] Workaround missing %hhx support in MinGW sscanf

Carl-Daniel Hailfinger c-d.hailfinger.devel.2006 at gmx.net
Thu Feb 16 01:39:18 CET 2012


MinGW uses standard Windows C libraries and those apparently don't
support %hhx for sscanf into a uint8_t. SCNx8 isn't available either.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006 at gmx.net>

Index: flashrom-mingw_workaround_broken_sscanf_uint8t/dummyflasher.c
===================================================================
--- flashrom-mingw_workaround_broken_sscanf_uint8t/dummyflasher.c	(Revision 1492)
+++ flashrom-mingw_workaround_broken_sscanf_uint8t/dummyflasher.c	(Arbeitskopie)
@@ -199,7 +199,12 @@
 			}
 		}
 		for (i = 0; i < spi_blacklist_size; i++) {
-			sscanf(tmp + i * 2, "%2hhx", &spi_blacklist[i]);
+			unsigned int tmp2;
+			/* SCNx8 is apparently not supported by MSVC (and thus
+			 * MinGW), so work around it with an extra variable
+			 */
+			sscanf(tmp + i * 2, "%2x", &tmp2);
+			spi_blacklist[i] = (uint8_t)tmp2;
 		}
 		msg_pdbg("SPI blacklist is ");
 		for (i = 0; i < spi_blacklist_size; i++)
@@ -230,7 +235,12 @@
 			}
 		}
 		for (i = 0; i < spi_ignorelist_size; i++) {
-			sscanf(tmp + i * 2, "%2hhx", &spi_ignorelist[i]);
+			unsigned int tmp2;
+			/* SCNx8 is apparently not supported by MSVC (and thus
+			 * MinGW), so work around it with an extra variable
+			 */
+			sscanf(tmp + i * 2, "%2x", &tmp2);
+			spi_ignorelist[i] = (uint8_t)tmp2;
 		}
 		msg_pdbg("SPI ignorelist is ");
 		for (i = 0; i < spi_ignorelist_size; i++)


-- 
http://www.hailfinger.org/





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